GB1212734A - Improvements in or relating to underwater echo-sounding - Google Patents

Improvements in or relating to underwater echo-sounding

Info

Publication number
GB1212734A
GB1212734A GB223268A GB223268A GB1212734A GB 1212734 A GB1212734 A GB 1212734A GB 223268 A GB223268 A GB 223268A GB 223268 A GB223268 A GB 223268A GB 1212734 A GB1212734 A GB 1212734A
Authority
GB
United Kingdom
Prior art keywords
frequency
sounding
frequencies
stage
period
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB223268A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELAC Electroacustic GmbH
Original Assignee
ELAC Electroacustic GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ELAC Electroacustic GmbH filed Critical ELAC Electroacustic GmbH
Publication of GB1212734A publication Critical patent/GB1212734A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/10Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/108Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics using more than one pulse per sonar period
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/10Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/18Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87Combinations of sonar systems
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/42Modifications of amplifiers to extend the bandwidth
    • H03F1/48Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/284Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator monostable

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Power Engineering (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Joining Of Glass To Other Materials (AREA)
GB223268A 1967-01-14 1968-01-15 Improvements in or relating to underwater echo-sounding Expired GB1212734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE0033218 1967-01-14

Publications (1)

Publication Number Publication Date
GB1212734A true GB1212734A (en) 1970-11-18

Family

ID=39103872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB223268A Expired GB1212734A (en) 1967-01-14 1968-01-15 Improvements in or relating to underwater echo-sounding

Country Status (5)

Country Link
JP (1) JPS539104B1 (OSRAM)
DE (1) DE1566867B2 (OSRAM)
FR (1) FR1569615A (OSRAM)
GB (1) GB1212734A (OSRAM)
NO (1) NO122517B (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920330C2 (de) * 1979-05-19 1987-01-02 Fried. Krupp Gmbh, 4300 Essen Echolot mit zwei Sendefrequenzen
JPS5937459A (ja) * 1982-08-27 1984-02-29 Automob Antipollut & Saf Res Center 超音波による物体検出装置
JP6438321B2 (ja) * 2015-02-23 2018-12-12 古野電気株式会社 レーダ装置

Also Published As

Publication number Publication date
FR1569615A (OSRAM) 1969-06-06
JPS539104B1 (OSRAM) 1978-04-03
DE1566867B2 (de) 1970-10-29
DE1566867A1 (de) 1970-04-30
NO122517B (OSRAM) 1971-07-05

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee